diff options
author | Bryan Jen <bryan.jen@gmail.com> | 2016-09-15 10:13:10 -0700 |
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committer | GitHub <noreply@github.com> | 2016-09-15 10:13:10 -0700 |
commit | 16b00173e99a988ff9df81b9f01d3cc45c4a00f8 (patch) | |
tree | 945e901351f928ff3d85726afdcc3a4342efff5b /spec/functions/dig44_spec.rb | |
parent | 91649b2b4a0103b62b89122e31766ce1cdcd3980 (diff) | |
parent | 789263cab5ca2f38face3399076f4d3be34b3d3d (diff) |
Merge pull request #644 from dmitryilyin/master
Refactor dig44 function
Diffstat (limited to 'spec/functions/dig44_spec.rb')
-rw-r--r-- | spec/functions/dig44_spec.rb | 119 |
1 files changed, 90 insertions, 29 deletions
diff --git a/spec/functions/dig44_spec.rb b/spec/functions/dig44_spec.rb index fd451ff..4f7408d 100644 --- a/spec/functions/dig44_spec.rb +++ b/spec/functions/dig44_spec.rb @@ -1,44 +1,105 @@ require 'spec_helper' describe 'dig44' do - it "should exist" do - expect(Puppet::Parser::Functions.function("dig44")).to eq("function_dig44") + + let(:data) do + { + 'a' => { + 'g' => '2', + 'e' => [ + 'f0', + 'f1', + { + 'x' => { + 'y' => 'z' + } + }, + 'f3', + ] + }, + 'b' => true, + 'c' => false, + 'd' => '1', + 'e' => :undef, + 'f' => nil, + } end - it "should raise a ParseError if there are less than 2 arguments" do - expect { scope.function_dig44([]) }.to raise_error(Puppet::ParseError) - end + context 'single values' do + it 'should exist' do + is_expected.not_to be_nil + end - it "should raise a ParseError if the first argument isn't a hash or array" do - expect { scope.function_dig44(['bad', []]) }.to raise_error(Puppet::ParseError) - end + it 'should require two arguments' do + is_expected.to run.with_params().and_raise_error(ArgumentError) + end - it "should raise a ParseError if the second argument isn't an array" do - expect { scope.function_dig44([{}, 'bad']) }.to raise_error(Puppet::ParseError) - end + it 'should fail if the data is not a structure' do + is_expected.to run.with_params('test', []).and_raise_error(Puppet::Error) + end - it "should return an empty hash when given empty parameters" do - result = scope.function_dig44([{}, []]) - expect(result).to(eq({})) - end + it 'should fail if the path is not an array' do + is_expected.to run.with_params({}, '').and_raise_error(Puppet::Error) + end - it "should return value when given simple hash" do - result = scope.function_dig44([{"a" => "b"}, ["a"]]) - expect(result).to(eq("b")) - end + it 'should return the value if the value is string' do + is_expected.to run.with_params(data, ['d'], 'default').and_return('1') + end - it "should find hash values two levels deep" do - result = scope.function_dig44([{"a" => {"b" => "c"}}, ["a", "b"]]) - expect(result).to(eq("c")) - end + it 'should return true if the value is true' do + is_expected.to run.with_params(data, ['b'], 'default').and_return(true) + end - it "should return default value if nothing was found" do - result = scope.function_dig44([{}, ["a", "b"], "d"]) - expect(result).to(eq("d")) + it 'should return false if the value is false' do + is_expected.to run.with_params(data, ['c'], 'default').and_return(false) + end + + it 'should return the default if the value is nil' do + is_expected.to run.with_params(data, ['f'], 'default').and_return('default') + end + + it 'should return the default if the value is :undef (same as nil)' do + is_expected.to run.with_params(data, ['e'], 'default').and_return('default') + end + + it 'should return the default if the path is not found' do + is_expected.to run.with_params(data, ['missing'], 'default').and_return('default') + end end - it "should work on booleans as well as strings" do - result = scope.function_dig44([{"a" => false}, ["a"]]) - expect(result).to(eq(false)) + context 'structure values' do + + it 'should be able to extract a deeply nested hash value' do + is_expected.to run.with_params(data, %w(a g), 'default').and_return('2') + end + + it 'should return the default value if the path is too long' do + is_expected.to run.with_params(data, %w(a g c d), 'default').and_return('default') + end + + it 'should support an array index (number) in the path' do + is_expected.to run.with_params(data, ['a', 'e', 1], 'default').and_return('f1') + end + + it 'should support an array index (string) in the path' do + is_expected.to run.with_params(data, %w(a e 1), 'default').and_return('f1') + end + + it 'should return the default value if an array index is not a number' do + is_expected.to run.with_params(data, %w(a b c), 'default').and_return('default') + end + + it 'should return the default value if and index is out of array length' do + is_expected.to run.with_params(data, %w(a e 5), 'default').and_return('default') + end + + it 'should be able to path though both arrays and hashes' do + is_expected.to run.with_params(data, %w(a e 2 x y), 'default').and_return('z') + end + + it 'should return "nil" if value is not found and no default value is provided' do + is_expected.to run.with_params(data, %w(a 1)).and_return(nil) + end + end end |